Darkroom is a room which allows the processing of light sensitive photographic materials like photographic film and photographic paper. Darkrooms have been used since 19th century and they are very useful and even though nowadays there are different and easier ways of developing photos, people still use darkrooms.
Photographic printing is the process of producing a final image on paper for viewing, using chemically sensitized paper. The paper is exposed to a photographic negative, a positive transparency (or slide), or a digital image file projected using an enlarger or digital exposure unit such as a LightJet printer. Alternatively, the negative or transparency may be placed on the top of the paper and directly exposed, creating a contact print. Photographs are more commonly printed on plain paper, for example by a colour printer, but this is not considered "photographic printing".
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